fingertips<\/a> have high concentrations of those sweat-producing glands \u2014 they have more sweat glands than your armpits!<\/p>\n\n\n\nAnd it’s because of this exactly why a person who is undergoing a lie detector test is hooked up to a polygraph by means of his or her fingertips. The contraptions are referred to as galvanometers, whose role, as discussed earlier, is to measure the electrical conductivity of the fingertips, which can reveal an increase in sweating.<\/p>\n\n\n\n
Simply put, the sweatier the fingertips, the more chances that the individual is lying.<\/p>\n\n\n\n
And this brings us to an important matter: people who tend to sweat more than usual are likely to fail a polygraph test. Those who suffer from anxiety disorder, for instance, are commonly sweatier than most people. This is especially true when asked critical questions, such as crime-related ones \u2014 it doesn’t matter if they’re being truthful or otherwise.<\/p>\n\n\n\n
Hyperhidrosis, hyperthyroidism and diabetes are some other examples of health conditions that can cause a person to sweat a lot, which can get in the way of a hassle-free polygraph session.<\/p>\n\n\n\n
On the other hand, there are also individuals who tend to sweat less than others. As a matter of fact, some do not even sweat at all for the absence of properly functioning sweat glands! Skin damage and neuropathies (or nerve damage due to the likes of diabetes and alcoholism) can cause one to sweat less \u2014 if at all.<\/p>\n\n\n\n
Needless to say, any inability to sweat normally like most people can interfere with polygraph testing.<\/p>\n\n\n\n
Skin temperature<\/h3>\n\n\n\n
Other than the blood pressure, heart rate, respiratory rate and sweating, some polygraph machines are also capable of detecting and recording changes in the temperature of the peripheral skin.<\/p>\n\n\n\n
Some models come with built-in contact thermometers as the temperature can help detect lies.<\/p>\n\n\n\n
As mentioned earlier, the activation of the fight or flight response can cause the body to produce more sweat than normal in order to keep it from overheating. <\/p>\n\n\n\n
So, in other words, being stressed can cause your temperature to increase. As a matter of fact, some people develop an extremely high core temperature when stressed \u2014 up to 106\u00b0F or 41\u00b0C.<\/p>\n\n\n\n
Some health conditions, particularly those that can affect the body’s ability to regulate its temperature, can make the work of a polygraph examiner harder than usual.<\/p>\n\n\n\n
A person who suffers from hypothyroidism, which is characterized by an underactive thyroid gland, may keep conclusive lie detector test results at bay. <\/p>\n\n\n\n
The same is true for someone who has diabetes, anorexia nervosa or certain nutritional deficiencies. Spinal cord injuries can also mess with the body’s core temperature.<\/p>\n\n\n\n
Here’s a fun fact about your body temperature\u2026<\/p>\n\n\n\n
When he lies, Pinocchio’s nose grows longer. <\/p>\n\n\n\n
But when you lie, your nose grows warmer. <\/strong><\/p>\n\n\n\nScientists say that it has something to do with a region of your brain that has something to do with consciousness as well as the regulation of the body temperature. And it’s referred to as the insula.<\/p>\n\n\n\n
Just Before You Take a Polygraph Test<\/h2>\n\n\n\n
A polygraph machine gives an idea of whether or not you are lying by monitoring some physiologic changes while you are hooked up to it. <\/p>\n\n\n\n
They include your blood pressure, heart rate, respiratory rate and sweating. Some instruments are designed to also observe your temperature and body movements.<\/p>\n\n\n\n
Now that you know how a polygraph works, your next question is probably how accurate are the polygraphs. To learn more, check out my next article<\/a>.<\/p>\n","protected":false},"excerpt":{"rendered":"Anyone from a law enforcement officer to a court judge and from an investigator to a hiring manager can ask you to take a lie detector. And whether you are on a court trial or…<\/p>\n","protected":false},"author":2,"featured_media":2145,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_kad_post_transparent":"","_kad_post_title":"","_kad_post_layout":"","_kad_post_sidebar_id":"","_kad_post_content_style":"","_kad_post_vertical_padding":"","_kad_post_feature":"","_kad_post_feature_position":"","_kad_post_header":false,"_kad_post_footer":false,"footnotes":""},"categories":[7],"tags":[],"_links":{"self":[{"href":"https:\/\/truthorlie.com\/wp-json\/wp\/v2\/posts\/2133"}],"collection":[{"href":"https:\/\/truthorlie.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/truthorlie.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/truthorlie.com\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/truthorlie.com\/wp-json\/wp\/v2\/comments?post=2133"}],"version-history":[{"count":7,"href":"https:\/\/truthorlie.com\/wp-json\/wp\/v2\/posts\/2133\/revisions"}],"predecessor-version":[{"id":2752,"href":"https:\/\/truthorlie.com\/wp-json\/wp\/v2\/posts\/2133\/revisions\/2752"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/truthorlie.com\/wp-json\/wp\/v2\/media\/2145"}],"wp:attachment":[{"href":"https:\/\/truthorlie.com\/wp-json\/wp\/v2\/media?parent=2133"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/truthorlie.com\/wp-json\/wp\/v2\/categories?post=2133"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/truthorlie.com\/wp-json\/wp\/v2\/tags?post=2133"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}